Yes it is. A plateau is a flat highland whereas a canyon is a deep ravine.
Canyon
a plateau is higher
Yes,a plateau is higher than a coastal plain.
The Grand Canyon is a "gorge" or "canyon" if you wish. Hence the name Grand Canyon. However, there are two "plateau's" on either side of the canyon which could be considered part of the GC, from a certain point of view.
A plateau is lower than a plain. <(._.<) (>._.)>
No.
Appalachian Plateau
No, Balochistan plateau is higher in elevation compared to Potwar plateau. Balochistan plateau has an average elevation of around 1,000 meters, while Potwar plateau's elevation ranges from 300 to 500 meters.
Yes
plateau
A plateau is lower than a plain. <(._.<) (>._.)>
Higher than the surrounding terrain.